{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "ransom", "arguments": ["damage amount", "price", "attacker", "tool", "attack pattern", "time", "payment method", "place"]}], "input": "Greenfield , Indiana - based Hancock Health paid hackers 4 bitcoin or about $ 47,000 to unlock its network on Saturday , after the health system fell victim to a ransomware attack on Thursday night ."}
{"ransom": [{"damage amount": "NAN", "price": "NAN", "attacker": "NAN", "tool": "NAN", "attack pattern": "NAN", "time": "Thursday night", "payment method": "NAN", "place": "NAN"}]}